Focal SUB P20FE (Open-Box, Damaged Packaging)

8" 500W 4-Ohm Flax Evo Car Audio Subwoofer

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• Unique Flax Cone
• Dual Magnet Motor
• Rubber Surround

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Focal SUB P20FE

8" 500W 4-Ohm Flax Evo Car Audio Subwoofer
Quantity: 1

The Flax Cone, Expressive And Natural

Focal has long been a leader in car audio due to their unique design and persistence towards perfection. Well, Focal has been producing this revolutionary Flax cone since 2013. The Flax Cone is built of a premium flax fiber core placed between two thin sheets of glass fiber. Flax is a fiber with the unique ability to reproduce a very natural sound without colouration, with a rich reproduction in the midrange and clear bass strokes. Its lightness offers great dynamics, due to Flax fiber being twice as light as glass fiber, as it is hollow. Its' rigidity sustains the bass and provides damping to deliver a premier listening experience. Its very low elasticity makes it ideal for increasing the flexural rigidity module of a sandwich structure.

General Features:

  • Unique, patented Flax cone
  • Dual Magnet motor
  • Made in France in the Focal workshops
  • Power and precision
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty


  • Nominal power: 250W RMS
  • Maximum power: 500W
  • Sensitivity: (2.83V/1m) 82.5dB
  • Flax Cone
  • Rubber Surround
  • Nominal impedance: 4 Ohms
  • DC resistance: 3.4 Ohms
  • VC diameter: 38mm (11/2")
  • VC height: 28mm (11/8")
  • Glass Fiber Former
  • Inductance: 1.7mH
  • Xmax: 10mm 03/8"
  • Magnet dxh (mm) 120 x 32mm 43/4" x 11/4"
  • Flux density: 0.75T
  • Gap height: 8mm 05/16"
  • Net weight: 3.2kg 6lbs

Ported Enclosure Specifications

Volume F-3(Hz) Øport Port Length
10L (0.35 cu.ft.) 45Hz 7cm - 23/4" 30cm - 12"
15L (0.52 cu.ft.) 35Hz 7cm - 23/4" 35cm - 1325/32"
20L (0.7 cu.ft.) 30Hz 7cm - 23/4" 35cm - 1325/32"

Sealed Enclosure Specifications

Volume F-3 (Hz)
10L (0.35 cu.ft.) 52Hz
15L (0.52 cu.ft.)   50Hz

View More Parameters Here

Subwoofer Wiring Guide

Specifications & Details

Subwoofer Specifications
Subwoofer Size
Peak Power Handling
500 watts
RMS Power Handling
250 watts
Impedance (Per Voice Coil)
4 ohms
82.5 dB
Xmax (millimeters)
10 mm
Subwoofer Design
Round / Circle
Main Cone Color
Subwoofer Grille
Re-Cone Kit Available
Recommended Enclosure Specifications
Shallow Mount Installation
Electromechanical Parameters
Free-Air Resonance (Fs)
38.5 Hz
Equivalent Compliance (Vas)
12 liters
Total Speaker Q Value (Qts)
Electrical Q Value (Qes)
Electrical Resistance of Voice Coil (Re)
3.4 ohms
What is in the box?
User manual
Warranty/Registration card
WITB: Subwoofers
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider

Item Details


Model Number:

SUB P 20FE (Open-Box, Damaged Packaging)



Internal SKU:


Internal Product ID:


Customer Ratings & Reviews

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Customer Reviews

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Great product

The following review is for SUB P 20FE, which is a part of the bundle you are viewing.

Great sounding sub. I will buy it again. Shipping very quickly. Recommended.

By barry on April 28, 2020 Checkmark Icon Verified purchase


found this helpful.


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